You need a few important things when you head down on a dive: your air, your GoPro and of course – your knife. (OK…the GoPro is optional)
Think of all the turtles you can free from tangled fishing lines and all of the lures you can cut off snagged lines so you can use them for yourself!
In our guide below, we’ll provide you with all of the tips you need in order to choose the best dive knife.
From short blades to long ones, titanium blades to stainless steel, we’ll walk you through the knife shopping process step by step so that you find the right one for your needs and budget.
Top 10 Dive Knives Table
|Picture||Name||Blade Material||Price||Rating (1-5)|
|Picture||Name||Blade Material||Price||Rating (1-5)|
|1. Promate Scuba Dive Snorkel Titanium Knife||Titanium||$$$||4.4|
|2. EZDIVE Scuba Diving Knife Corrosion Resistant Titanium Knife||Titanium||$$||4.3|
|3. Promate Point Tip Scuba Dive BC Knife||420 Stainless Steel||$||4.3|
|4. Cressi Borg, Long Blade Diving and Spearfishing Knife||304 Stainless Steel||$$||4.0|
|5. Cressi Skorpion Dive Knife||420 Stainless Steel||$$$||4.0|
|6. Dragon Squama Dive Knife||440c Stainless Steel||$||3.9|
|7. McNett Saturna Blunt Tip Outdoor and Dive Knife||420 Stainless Steel||$$||3.8|
|8. Cressi Lima (2.95" Blade) Tactical Dive Knife||420 Stainless Steel||$$||3.7|
|9. 1 X Dive Knife ll, All Stainless with Line Cutter||Stainless Steel||$||3.7|
|10. Scuba Diving Snorkeling Folding Titanium Pocket Knife||Titanium||$$||3.5|
Features to Consider as You Shop
If you’re still not sure how to choose the best dive knife, here are a few features to take into consideration as you compare and contrast all of the options.
- Tip. Decide whether or not you want a pointed tip or a blunt tip. There are pros and cons to each style, so let’s take a look at them.
- Pointed. Pointed tips are quite popular but having a pointed tip means that you need to be extra careful with them around your gear to avoid accidental (and potentially dangerous) punctures.
- Blunt. If you think that you’ll be using your knife to dig under things or pry things loose during your dive, then you should definitely opt for a blunt tip.
Many divers end up using their pointed tip for this and end up breaking it off, so if we were you, we’d probably get the blunt tip.
- Blade Material. You have two choices when it comes to the blade material: either titanium or stainless steel.
The best dive knife has a titanium blade since this material is quite corrosion-resistant and they require less maintenance (less sharpening).
Stainless steel blades are preferable to most divers since they cost less, but unfortunately, they do tend to corrode more easily than titanium blades do.
Most of the knives on our list are made with 400 series stainless steel. Comparing it to 300 series stainless steel, the 400 series is harder and will stay sharper for longer, but out of the two, 300 series stainless steel is slightly more corrosion resistant.
It is also softer and therefore you will have to sharpen it more often, so just keep these things in mind as you compare and contrast knives in order to find the right one.
- Blade Length. This is probably a matter of preference. Longer blades might get in the way while you’re diving but they are definitely more versatile.
Shorter blades are easier to store but can only handle smaller cuts.
- Serrated Edge. It’s safe to say that all dive knives have a serrated edge, but some are more jagged than others are.
The more jagged the edges, the easier it is for them to slice through thicker/tougher materials.
- Sheath and Straps. The final thing to take into consideration is the type of sheath that it comes in and whether or not the sheath has straps so that you can fasten it to your arm or leg.
We wouldn’t say that any specific type is better than the other is, but be sure to take this into consideration so you end up choosing the right knife!
Top 3 Best Dive Knife Reviews
This knife has all of the desirable features that a diver needs when under the water.
The durable titanium blade requires little maintenance since you won’t have to sharpen it often and it is also highly resistant to corrosion.
We like that the handle has a titanium hammer on the bottom, that the handle is made of rubber (making it easier to grip and handle when you’re on a dive) and also that the sheath has adjustable straps so you can fasten it to your arm.
This is the blunt tip version of this knife (it has a 4 3/8-inch blade) but it also comes in a pointed version to those of you interested.
We realize that for a lot of you this is a pretty expensive option, but trust us; this thing will last. Just be careful not to drop it!
This is another titanium blunt tip dive knife but it is quite different from the Promate we just looked at.
We really like this one because it can do a whole lot more than just cut through rope and fishing line. This knife has spanners so you can use it like a wrench and the blunt tip has a taper so that you can use it as a flat head screwdriver. This is handy if you need to open things while you’re under water (maybe a giant box of treasure!)
While the sheath doesn’t have any straps on it, there is a slot sewn in so that you can fit it through any standard 2-inch waist belt. The blade measures 6.3 inches in length.
We can’t say that we’re too crazy about the handle (it is more slippery since there is no rubber grip there; just metal), but in terms of quality, versatility and dependability, it won’t disappoint you!
If you’re in need of something cheap, short and easy to use, then get this little guy from Promate.
The handle is easy to grip that you can actually remove for cleaning purposes and the pointed blade measures 3 inches in length.
Being stainless steel, you’re going to need to clean it often and dry it thoroughly between dives.
Great quality for the price and material. We’d recommend it for the average diver’s needs!